unimore/kernel-hacking-2024-linux-steffo
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igb: update ethtool stats to support multiqueue

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Addesses problems seen earlier with igb driver not correctly reporting rx
and tx stats.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Alexander Duyck 2008-07-08 15:07:24 -07:00 committed by Jeff Garzik
parent 661086df6c
commit e21ed3538f
3 changed files with 12 additions and 4 deletions
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1
drivers/net/igb/igb.h
View file

@ -158,6 +158,7 @@ struct igb_ring {
union {
/* TX */
struct {
struct igb_queue_stats tx_stats;
bool detect_tx_hung;
};
/* RX */

13
drivers/net/igb/igb_ethtool.c
View file

@ -96,10 +96,8 @@ static const struct igb_stats igb_gstrings_stats[] = {
};
#define IGB_QUEUE_STATS_LEN \
((((((struct igb_adapter *)netdev->priv)->num_rx_queues > 1) ? \
((struct igb_adapter *)netdev->priv)->num_rx_queues : 0) + \
(((((struct igb_adapter *)netdev->priv)->num_tx_queues > 1) ? \
((struct igb_adapter *)netdev->priv)->num_tx_queues : 0))) * \
((((struct igb_adapter *)netdev->priv)->num_rx_queues + \
((struct igb_adapter *)netdev->priv)->num_tx_queues) * \
(sizeof(struct igb_queue_stats) / sizeof(u64)))
#define IGB_GLOBAL_STATS_LEN \
sizeof(igb_gstrings_stats) / sizeof(struct igb_stats)
@ -1842,6 +1840,13 @@ static void igb_get_ethtool_stats(struct net_device *netdev,
data[i] = (igb_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
for (j = 0; j < adapter->num_tx_queues; j++) {
int k;
queue_stat = (u64 *)&adapter->tx_ring[j].tx_stats;
for (k = 0; k < stat_count; k++)
data[i + k] = queue_stat[k];
i += k;
}
for (j = 0; j < adapter->num_rx_queues; j++) {
int k;
queue_stat = (u64 *)&adapter->rx_ring[j].rx_stats;

2
drivers/net/igb/igb_main.c
View file

@ -3431,6 +3431,8 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
}
tx_ring->total_bytes += total_bytes;
tx_ring->total_packets += total_packets;
tx_ring->tx_stats.bytes += total_bytes;
tx_ring->tx_stats.packets += total_packets;
adapter->net_stats.tx_bytes += total_bytes;
adapter->net_stats.tx_packets += total_packets;
return retval;